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Finding the Fourth Proportional to 478,068.48, 717,102.72 and 162,525.39

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Solution

The fourth proportional to 478,068.48, 717,102.72 and 162,525.39 is: 243,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,068.48 : 717,102.72 = 162,525.39 : x
  2. Step 2: Convert to fraction form
    478,068.48/717,102.72 = 162,525.39/x
  3. Step 3: Cross multiply
    478,068.48x = 717,102.72 × 162,525.39
  4. Step 4: Simplify right side
    478,068.48x = 116,547,396,548.93
  5. Step 5: Solve for x
    x = 116,547,396,548.93/478,068.48
  6. Step 6: Final answer
    x = 243,788.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.